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Finding the Fourth Proportional to 254,995.86, 351,889.29 and 141,816.18

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Solution

The fourth proportional to 254,995.86, 351,889.29 and 141,816.18 is: 195,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,995.86 : 351,889.29 = 141,816.18 : x
  2. Step 2: Convert to fraction form
    254,995.86/351,889.29 = 141,816.18/x
  3. Step 3: Cross multiply
    254,995.86x = 351,889.29 × 141,816.18
  4. Step 4: Simplify right side
    254,995.86x = 49,903,594,890.71
  5. Step 5: Solve for x
    x = 49,903,594,890.71/254,995.86
  6. Step 6: Final answer
    x = 195,703.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.